:root {
    --color-primary: #2e6f9e;
    --color-primary-dark: #1f4f73;
    --color-bg: #f4f6f8;
    --color-sidebar: #17293d;
    --color-sidebar-text: #cfd8e3;
    --color-border: #dde3ea;
    --color-text: #202b36;
    --color-muted: #6b7684;
    --color-success: #1f8a4c;
    --color-danger: #c0392b;
    --color-warning: #b8860b;
    --radius: 6px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 14px;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 220px;
    flex-shrink: 0;
    background: var(--color-sidebar);
    color: var(--color-sidebar-text);
    display: flex;
    flex-direction: column;
    padding: 16px 0;
}

.sidebar__brand {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    padding: 0 20px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 12px;
}

.sidebar__nav {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.sidebar__nav a {
    color: var(--color-sidebar-text);
    padding: 10px 20px;
}

.sidebar__nav a:hover {
    background: rgba(255,255,255,0.08);
    text-decoration: none;
    color: #fff;
}

.sidebar__user {
    padding: 12px 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 13px;
}

.content {
    flex-grow: 1;
    padding: 24px 32px;
    max-width: 1200px;
}

.card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.page-header h1 {
    margin: 0;
    font-size: 22px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}

table th, table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--color-border);
    text-align: left;
}

table th {
    background: #f0f3f6;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--color-muted);
}

table tbody tr:hover { background: #f8fafc; }

.form-group { margin-bottom: 14px; }

.form-group label {
    display: block;
    margin-bottom: 4px;
    font-weight: 600;
    font-size: 13px;
}

input[type=text], input[type=email], input[type=password], input[type=date],
input[type=number], select, textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
}

.form-row {
    display: flex;
    gap: 16px;
}

.form-row .form-group { flex: 1; }

.checkbox-inline {
    display: flex;
    align-items: center;
    gap: 6px;
}
.checkbox-inline input { width: auto; }

.btn {
    display: inline-block;
    padding: 8px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--color-primary);
    background: var(--color-primary);
    color: #fff;
    cursor: pointer;
    font-size: 14px;
}

.btn:hover { background: var(--color-primary-dark); text-decoration: none; }

.btn--secondary {
    background: #fff;
    color: var(--color-text);
    border-color: var(--color-border);
}
.btn--secondary:hover { background: #f0f3f6; }

.btn--danger {
    background: #fff;
    color: var(--color-danger);
    border-color: var(--color-danger);
}
.btn--danger:hover { background: var(--color-danger); color: #fff; }

.btn--sm { padding: 4px 10px; font-size: 13px; }

.link-button {
    background: none;
    border: none;
    color: var(--color-sidebar-text);
    cursor: pointer;
    padding: 0;
    font-size: 13px;
    text-decoration: underline;
}

.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    background: #e2e8f0;
    color: var(--color-text);
}

.badge--borrador { background: #e2e8f0; }
.badge--enviada { background: #d6e9fa; color: #1f4f73; }
.badge--en_revision { background: #fdf3d0; color: var(--color-warning); }
.badge--aprobada { background: #d9f2e2; color: var(--color-success); }
.badge--rechazada { background: #f8d7d3; color: var(--color-danger); }
.badge--vencida { background: #f1d9c0; color: #8a4b1f; }
.badge--cancelada { background: #e2e8f0; color: var(--color-muted); }

.flash-stack { margin-bottom: 16px; }

.alert {
    padding: 10px 14px;
    border-radius: var(--radius);
    margin-bottom: 8px;
}
.alert--success { background: #d9f2e2; color: var(--color-success); }
.alert--error { background: #f8d7d3; color: var(--color-danger); }
.alert--info { background: #d6e9fa; color: var(--color-primary-dark); }

.text-muted { color: var(--color-muted); }
.text-right { text-align: right; }

.partidas-table input { min-width: 90px; }
.partidas-table td { vertical-align: top; }

.auth-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--color-sidebar);
}

.auth-box {
    background: #fff;
    padding: 32px;
    border-radius: var(--radius);
    width: 100%;
    max-width: 360px;
}

.auth-box__brand {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 20px;
    text-align: center;
}

.empty-state {
    padding: 40px;
    text-align: center;
    color: var(--color-muted);
}

.actions-cell { white-space: nowrap; }
.actions-cell form { display: inline; }